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PODCAST

The Orbital Mechanics Podcast

David Fourman, Ben Etherington, and Dennis Just

Every week we cover the latest spaceflight news, discuss past, current and future exploration efforts, and take a look at upcoming events. Tune in to hear about how humans get to space, how they stay in space and how unmanned craft reach farther and farther into the universe around us.

science & medicine natural sciences

All Episodes

00:58:23

Episode 433: Dinkinesh and Dinkynesh

The Orbital Mechanics Podcast ·

2023/11/08

Spaceflight News— Lucy flies past Dinkinesh and also Dinkinesh (nasa.gov) (lucy.swri.edu) (PDF: ntrs.nasa.gov VIA ntrs.nasa.gov) — Aerojet Rocketdyne supplied Lucy’s thrusters (l3harris.com) (PDF: amazonaws.com)Short & Sweet— Starship aims for mid-November launch (nasaspaceflight.com)— i-Space hops (spacenews.com)This Week in Spaceflight History— 12 Nov, 1995. Launch of STS-74, second Shuttle-Mir docking (en.wikipedia.org) (PDF: nasa.gov) (PDF: spacepresskit.files.wordpress.com) (youtu.be)

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01:28:14

Episode 432: DOWNLINK--Orbit Fab

The Orbital Mechanics Podcast ·

2023/11/01

Spaceflight News— ABL Dusts Itself Off (spacenews.com) (harryohanley.substack.com)Short & Sweet— NASA struggles to open asteroid sample container (space.com)— Rocket Lab to return (spacenews.com)Questions, Comments, Corrections— From the intro: Blue Origin’s latest Blue Moon mockup (spacenews.com)— Canopée to ferry Ariane 6 (fosstodon.org/@AkaSci)— You can register to send your name with Europa Clipper (europa.nasa.gov)— Mike Stewart’s core rope memory reader (finally) debuted on CuriousMarc’s

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01:05:43

Episode 431: Roller Coaster Tycoon

The Orbital Mechanics Podcast ·

2023/10/25

Spaceflight News— Gaganyaan in-flight abort test (youtube.com) (timesofindia.indiatimes.com) (HT: Jatan’s Space PDF: gov.in) (HT DeltaV: twitter.com/DJSnM) — Pad abort test (https://www.youtube.com) — Future human Indian Space ambitions (gov.in) (spacenews.com)Short & Sweet— PLD Test Launch (spacenews.com)— Two Vega payloads fail to deploy (europeanspaceflight.com)Questions, Comments, Corrections— From the intro: Shuttle astronaut mass allotments (forum.nasaspaceflight.com)This Week in

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01:03:51

Episode 430: Iron Sponge

The Orbital Mechanics Podcast ·

2023/10/18

Spaceflight News— Psyche launch and mission preview (americaspace.com) (spacenews.com) (nasaspaceflight.com) (scitechdaily.com) (en.wikipedia.org) (microdevices.jpl.nasa.gov)Short & Sweet— Spacewalk canceled due to Nauka leak (space.com)— QueSST to fly in 2024 (nasa.gov)This Week in Spaceflight History— 21 Oct, 2007. Soyuz TMA-10’s ballistic reentry (ruspace.blogspot.com) (en.wikipedia.org) (youtube.com) (PDF: sma.nasa.gov)— Next week (10/24 - 10/30) in 2009: Nominal tumble

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01:29:32

Episode 429: DOWNLINK--Ben Reed

The Orbital Mechanics Podcast ·

2023/10/11

Spaceflight News— Tiangong’s expansion (hindustantimes.com) (cnn.com)— Northrop Grumman joins Starlab team (nasa.gov)— Orbital Reef may be abandoned (cnbc.com)Short & Sweet— Luna-25 failure “analysis” (spacenews.com)— Stoke Space gets more funding (spacenews)Interview -- Ben Reed, CTO Quantum Space— quantumspace.us— linkedin.com/company/quantumspace-us/— linkedin.com/in/ben-b-reed/This Week in Spaceflight History— 11 Oct, 2000: STS-92, the100th shuttle mission (en.wikipedia.org) (nasa.gov)

en-US

00:55:42

Episode 428: Actual Human Ballast

The Orbital Mechanics Podcast ·

2023/10/04

Spaceflight News— Electron suffers upper stage failure (spacenews.com) (spaceflightnow.com) (youtu.be)Short & Sweet— Stoke Space hops (spacenews.com)— Sierra Space does a burst test (spacenews)— China plans for lunar sample return (spacenews.com)Questions, Comments, Corrections— A big thanks to Unc’willy, Fonji, Chris S in particular for helping Ben track down and fix an issue with our Discord botThis Week in Spaceflight History— 29 September, 2004: Flight 16P of SpaceShipOne (en.wikipedia.org)

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00:41:47

Episode 427: Pre-Dawn

The Orbital Mechanics Podcast ·

2023/09/20

Spaceflight News— Dawn Aerospace discusses future plans (parabolicarc.com)Short & Sweet— Artemis-II gets its engines (nasaspaceflight.com)— Firefly launches Victus Nox (spacenews.com)Questions, Comments, Corrections— From the intro: Stoke Space test fires (twitter.com/stoke_space)This Week in Spaceflight History— 22 Sep, 1981. Colombia spills NTO before STS-2 (16streets.com) (PDF: ntrs.nasa.gov) (nasa.gov)— Next week (9/26 - 10/2) in 2004: Victory roll

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00:48:22

Episode 426: Studyin’ The Sun

The Orbital Mechanics Podcast ·

2023/09/13

Spaceflight News— Aditya-L1 studyin’ the Sun (space.com) (eoportal.org) (PDF: iiap.res.in)Short & Sweet— Starship stands corrected (spacenews.com)— MaiaSpace tests cryogenic second stage (europeanspaceflight.com)Questions, Comments, Corrections— From the intro: Apollo LOX tanks (twitter.com/DrPhiltill)This Week in Spaceflight History— 15 Sept, 2017: End of the Cassini mission (en.wikipedia.org) (en.wikipedia.org) (PDF: lpi.usra.edu) (PDF: engineering.purdue.edu)— Next week (9/19 - 9/25) in 1981:

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00:54:40

Episode 425: Ding Log

The Orbital Mechanics Podcast ·

2023/09/06

Spaceflight News— OSIRIS-REx prep (nasaspaceflight.com) (youtube.com) (spacenews.com)Short & Sweet— New Frontiers competition delayed (spacenews.com)— Ariane 6 hot-fire test delayed (europeanspaceflight.com)— Otter Pup detumbled! (payloadspace.com) (twitter.com/StarfishSpace)This Week in Spaceflight History— 9 Sept, 2006: The launch of STS-115 Atlantis (space.com) (en.wikipedia.org) (nasa.gov) (nasaspaceflight.com)— Next week (9/12 - 9/18) in 2017: Son devoured

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01:52:50

Episode 424: DOWNLINK--IEEE Senior Member David...

The Orbital Mechanics Podcast ·

2023/08/30

Spaceflight News— Chandrayaan-3 landing (spacenews.com) (spacenews.com) (en.wikipedia.org) (isro.gov.in) (indianexpress.com VIA 12ft.io)Questions, Comments, Corrections— From the intro: Starship Booster 9 static fire (with deluge) (twitter.com/SpaceX)Interview -- IEEE Senior Member David Witkowski— Further reading: Public Wifi Blueprint (PDF: pages.nist.gov)— twitter.com/w6dtw— okusolutions.com— linkedin.com/company/okusolutionsThis Week in Spaceflight History— 30 Aug, 1984. Launch of STS-41D

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01:00:33

Episode 423: Angular Velocity

The Orbital Mechanics Podcast ·

2023/08/23

Spaceflight News— Luna-25 (HT ArcadeEngineer: twitter.com/katlinegrey) (spacenews.com) (spacenews.com) (Paywall: russianspaceweb.com)Short & Sweet— Starship booster coronation (nasaspaceflight.com) (twitter.com/SpaceX)— Intuitive Machines has a launch date (spacenews.com)— Russia explores reusable first-stage (aviationweek.com)Questions, Comments, Corrections— Benjamin W. via email: Juno’s angular velocity— Luis Mamakos via email: Can you desaturate momentum wheels with the spacecraft?— From the

en-US

00:53:50

Episode 422: Clogged Flashlight

The Orbital Mechanics Podcast ·

2023/08/16

Spaceflight News— Lunar Flashlight failure (spacenews.com) (PDF: mstl.atl.calpoly.edu VIA web.archive.org) (PDF: ssdl.gatech.edu) (PDF: digitalcommons.usu.edu)Short & Sweet— Boeing aiming for six Starliner flights to ISS (spacenews.com) (nasaspaceflight.com)— NASA test-fires Mars Ascent Vehicle’s motor (space.com)— To Artemis three or not to three (spacenews.com)This Week in Spaceflight History— 16 August, 1960: Joseph Kittinger made the final Project Excelsior jump (en.wikipedia.org)

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00:46:00

Episode 421: Promethean Ejection

The Orbital Mechanics Podcast ·

2023/08/09

Spaceflight News— Astra Layoffs (spacenews.com) (cnbc.com)Short & Sweet— Starship Activities (nasaspaceflight.com) (twitter.com/elonmusk)— Cygnus gets an upgrade (spacenews.com)— Airbus and Voyager announce commercial space station plans (spacenews.com) (europeanspaceflight.com)This Week in Spaceflight History— 11 and 12 Aug, 1962: The launches of Vostok 3 and 4 (russianspaceweb.com) (russianspaceweb.com) (russianspaceweb.com)— Next week (8/15 - 8/21) in 1960: That last step is a doozy

en-US

01:03:03

Episode 420: Tipping Point

The Orbital Mechanics Podcast ·

2023/08/02

Spaceflight News— 2023 Tipping Point selections (nasa.gov) (nasa.gov) (PDF: nasaprs.com) — Blue Origin’s Blue Alchemist separates regolith into several important base materials (blueorigin.com) — We talked to Kyla Edison about sintering regolith (theorbitalmechanics.com)Short & Sweet— HALO’s added cost (spacenews.com)— Sierra Space builds a better engine (spacenews.com)— Contact with Voyager 2 lost, thought to be temporary (arstechnica.com)This Week in Spaceflight History— 5 Aug, 2011

en-US

01:14:12

Episode 419: Last Episode Was A Teapot

The Orbital Mechanics Podcast ·

2023/07/26

Spaceflight News— A Commercial Space Station Source Selection (spacenews.com) (nasa.gov) (PDF: sam.gov) (news.northropgrumman.com) (sierraspace.com) (specialaerospaceservices.com) (vastspace.com)Short & Sweet— Recently arrived GEO satellites in trouble (spacenews.com) (youtube.com) (arstechnica.com)— China develops plan to land humans on Moon before decade’s end (spacenews.com)Questions, Comments, Corrections— Aaron Sawdey: Centaur tank fix (discord.com)This Week in Spaceflight History— 29 July,

en-US

00:54:46

Episode 418: Denial Test

The Orbital Mechanics Podcast ·

2023/07/19

Spaceflight NewsVulcan Centaur delays (spacenews.com) (nasaspaceflight.com) (spaceflightnow.com)Short & Sweet — China begins constructing VLEO constellation (spacewatch.global)— LandSpace wins the race (nasaspaceflight.com)— Janus canceled (spacenews.com)Questions, Comments, Corrections— An NSF tour of Astra’s rocket factory (youtube.com)This Week in Spaceflight History— 18 Jul, 2011. Launch of Spektr-R radio telescope (russianspaceweb.com) (wiki)— Zenit-3M/Fregat-SB (SB - “сбрасываемые баки”

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00:48:45

Episode 417: Mind the Launch Gap

The Orbital Mechanics Podcast ·

2023/07/11

Spaceflight News— Au revoir, Ariane 5 (spacenews.com) (nasaspaceflight.com) (Payload User’s Guide PDF: arianespace.com)— Two solids provide ~90% of Ariane 5’s thrust (esa.int)— ESA plans to lean on SpaceX launches (spacenews.com)— New test facility for Ariane 6 was built in 2019 (esa.int)Short & Sweet— Varda completes pharmaceutical manufacturing test on-orbit (arstechnica.com)— Lockheed Martin completes burst test of expandable habitat (spaceref.com)— Starlink interferes with radio astronomy

en-US

00:27:30

Episode 416: Tenacious Dream Chaser

The Orbital Mechanics Podcast ·

2023/07/05

Spaceflight News— Mars oxygen and helicopter sighting (space.com) (HT Stygarfield: nasa.gov)— Vega C delayed after engine test failure (europeanspaceflight.com) (spacenews.com)Short & Sweet— Virgin Galactic completes first fully commercial flight (spacenews.com) (spacenews.com)— Euclid telescope prepares for launch (spacenews.com)— Dream Chaser prepares for launch (spacenews.com)Questions, Comments, Corrections— Unc’ Willy: L2 is closer than the sun, and CMB was discovered in 1964

en-US

00:52:28

Episode 415: Unsupported Separation Type

The Orbital Mechanics Podcast ·

2023/06/28

Spaceflight News— Starship hot staging and engine firing (spacenews.com) (nasaspaceflight.com) (twitter.com/AshleyKillip) — Earlier description of separation flip (teslarati.com)Short & Sweet— Prometheus test fire (nasaspaceflight.com)— Anti-ASAT antipathy (spacenews)— Launcher’s second OTV fails on orbit (spacenews.com) (geekwire.com)This Week in Spaceflight History— 30 Jun, 2001. Launch of Wilkinson Microwave Anisotropy Probe (WMAP) (en.wikipedia.org) (wmap.gsfc.nasa.gov)

en-US

00:55:03

Episode 414: Fire Tornado

The Orbital Mechanics Podcast ·

2023/06/21

Spaceflight News— iROSA campaign complete, looking to next campaign (americaspace.com) (nasaspaceflight.com)Short & Sweet— ESA reserve astronaut to fly on Axiom flight (europeanspaceflight.com)— Impulse to supply propulsion for commercial space station (vastspace.com)— Rocket Lab goes suborbital (spacenews.com)This Week in Spaceflight History— 26 Jun, 1971: The third N1 test flight (en.wikipedia.org) (russianspaceweb.com)— Next week (6/27 - 7/3) in 2001: [audio clue]

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